Topics Science Assess

Question 1

Frictional force

Answer 1

F_k = µ_kF_N

Question 2

kg to Newton

Answer 2

1 kg = 9.8 N (round to 10 on the MCAT)

Question 3

What is the equation to find out the total mechanical energy of a projectile at its highest point given 20kg, 60˚, and 100 m/s

Answer 3

KE = (1/2)mv²

Question 4

Given Watt, Joules, and asking for time, what is the equaiton?

Answer 4

P=W/t

Question 5

Spring forces are (conservative/nonconservative)

Answer 5

conservative

Question 6

Equation for potential energy of spring systems

Answer 6

PE = 1/2kx²

Question 7

First law of thermodynamcis equation

Answer 7

∆U = Q-W

Question 8

Volume expansion equation

Answer 8

∆V=βV∆T

Question 9

First law of thermodynamics equation

Answer 9

∆U=Q-W

Question 10

Buoyant force equation

Answer 10

F_b=ρLV_Bg

Buoyant force = density of the liquid • volume of the ball • g

Question 11

Bernoulli’s equation

Answer 11

P₁ + 1/2 ρv₁²+ρgh₁ = P₂ + 1/2 ρv₂²+ρgh₂

Question 12

Dividing the conservation of energy equation by which value gives Bernoulli’s equation?

Answer 12

Volume

Question 13

Given an initial and final energy level, how do you calculat ethe frequency of light from an emitted photon (also given h=x eV s)

Answer 13

E=hf

Question 14

What equation to use when given distance and time? and wanting to find velocity

Answer 14

distance = velocity x time

velocity = distance/ time

Question 15

A problem gives time, mass, temperature, and volume, what equation are you most likely to use to solve?

Answer 15

∆Q=mc∆T

Question 16

Pascal’s principle

Answer 16

A change in teh pressure applied to an enclosed fluid is transmitted undiminished to every part of the fluid and to the walls of its container

Question 17

With things connected in series, what happens to the voltage drop when anotehr thing is added?

Answer 17

voltage drop decreases

Question 18

How are velocity, frequency, and wavelength connected?

Answer 18

v=fλ